MCP Server Quality Lab

intermediate

Develop, inspect, feedback-test, and permission-review an MCP server before letting agents use it.

Architecture

FastMCP

Builds Python MCP prototypes

88/100

uv pip install fastmcp

mcp-use

Builds TypeScript MCP servers and Apps

84/100

npx create-mcp-use-app@latest

MCP Inspector

Inspects server tools, resources, prompts, and protocol behavior

88/100

npx @modelcontextprotocol/inspector

MCP Feedback Enhanced

Adds human feedback and screenshot review loops

77/100

uvx mcp-feedback-enhanced@latest

Napkin

Captures recurring server-specific lessons

75/100

git clone https://github.com/blader/napkin.git ~/.codex/skills/napkin

Expected Output

MCP Server Quality Lab Tool schemas inspected: 9 Unsafe permissions flagged: 3 Human feedback rounds: 2 Failure notes captured: 5 -> Server ready for limited agent trial

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